A network source buffer provided
[yunwei the root @ ~] # Vim / etc / yum .conf [main] cacheDir = / var / Cache / yum / basearch $ / $ the releasever keepcache = 0 # 1 is turned on to buffer
Second, the commonly used commands
yum repolist All software lists all the local pool information yum Groups List View package group (group list) yum install Package1 install the specified installation package yum Groups install group1 install the specified program group yum Update Update All yum Update Package1 update the specified packages yum the Remove package1 delete the specified package yum groups the Remove Remove programs group group1 group1 yum -y install yum -utils * install yum plugin yumdownloader download only the package name is not installed
Three, yum history History feature rollback, the most important thing is to rely on the joint be deleted
1 , yum History View history
2 , yum History List the Name / ID search a package in history is
. 3 , yum History Use the undo ID rollback
